Compact multifunctional battery booster
First Claim
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1. A compact battery booster comprising:
- a storage capacitor and an internal lithium ion battery to supply a starting current to jump start an engine that is electrically coupled with an external battery, wherein the internal lithium ion battery is electrically coupled in parallel with said storage capacitor;
at least one processor operatively coupled with (1) a reverse polarity sensor to detect a polarity of the external battery, (2) a temperature sensor to detect a temperature of said storage capacitor or said internal lithium ion battery, and (3) a voltage sensor to detect a voltage of said internal lithium ion battery;
a display device operatively coupled to the at least one processor, the display device configured to display a state of charge of said internal lithium ion battery, said storage capacitor, or a combination thereof;
direct current (DC) output terminals configured to output the starting current to the engine or to the external battery via a set of conductors; and
a power management circuit operatively coupled to the at least one processor, the internal lithium ion battery, and the storage capacitor, wherein the power management circuit is configured to selectively provide the starting current to the engine or the external battery via the set of conductors.
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Abstract
A compact battery charger for charging a battery comprising: a microprocessor; a set of terminals operatively coupled to said microprocessor and configured to electrically couple with an automotive battery; and an internal lithium ion battery, wherein the internal lithium ion battery is a lithium ion battery, wherein a single-ended primary-inductor converter may be configured to receive an input voltage of 5 VDC to 20 VDC and output a predetermined DC charge voltage to said internal lithium ion battery.
138 Citations
28 Claims
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1. A compact battery booster comprising:
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a storage capacitor and an internal lithium ion battery to supply a starting current to jump start an engine that is electrically coupled with an external battery, wherein the internal lithium ion battery is electrically coupled in parallel with said storage capacitor; at least one processor operatively coupled with (1) a reverse polarity sensor to detect a polarity of the external battery, (2) a temperature sensor to detect a temperature of said storage capacitor or said internal lithium ion battery, and (3) a voltage sensor to detect a voltage of said internal lithium ion battery; a display device operatively coupled to the at least one processor, the display device configured to display a state of charge of said internal lithium ion battery, said storage capacitor, or a combination thereof; direct current (DC) output terminals configured to output the starting current to the engine or to the external battery via a set of conductors; and a power management circuit operatively coupled to the at least one processor, the internal lithium ion battery, and the storage capacitor, wherein the power management circuit is configured to selectively provide the starting current to the engine or the external battery via the set of conductors. - View Dependent Claims (2, 3, 13)
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4. A compact battery booster comprising:
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at least one processor; an internal battery and a supercapacitor to supply a starting current to jump start an engine electrically coupled with an external battery, wherein the internal battery is electrically coupled in parallel with said supercapacitor; a display device operatively coupled to the at least one processor, wherein the display device is configured to display a state of charge of said internal battery, said supercapacitor, or a combination thereof; direct current (DC) output terminals configured to output the starting current to the engine or to the external battery via a set of conductors; a reverse polarity sensor operatively coupled to the at least one processor, wherein the reverse polarity sensor is configured to detect a polarity of the external battery; a temperature sensor operatively coupled to the at least one processor, wherein the temperature sensor is configured to detect a temperature of said internal battery or said supercapacitor; and a power management circuit operatively coupled to each of the at least one processor, the supercapacitor, and the internal battery, wherein the power management circuit is configured to selectively provide the starting current to the engine or the external battery via the set of conductors. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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14. A compact battery booster comprising:
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at least one processor; a supercapacitor to supply a starting current to jump start an engine that is coupled to a depleted external battery, wherein the supercapacitor is configured to draw a charging current from the depleted external battery when the engine is not running; a display device operatively coupled to the at least one processor, wherein the display device is configured to display a status of the supercapacitor; direct current (DC) output terminals configured to output the starting current to the engine or to the external battery via a set of conductors, wherein the at least one processor is configured to detect a drop in current across the DC output terminals; a reverse polarity sensor operatively coupled to the at least one processor, wherein the reverse polarity sensor is configured to detect a polarity of the depleted external battery; and a power management circuit operatively coupled to each of the at least one processor and the supercapacitor, wherein the power management circuit is configured to selectively provide the starting current to said the engine or the external battery via the set of conductors, wherein the starting current is provided to the engine or the external battery in response to the at least one processor detecting a drop in current across the DC output terminals.
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15. A compact battery booster comprising:
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an internal lithium ion battery to supply a starting current to jump start an engine operably coupled with an external battery, said internal lithium ion battery being rated at least 3,000 mAh and comprising lithium iron phosphate or lithium ion polymer, wherein the starting current is at least 200 cranking amperes; at least one processor operatively coupled with (1) a reverse polarity sensor to detect a polarity of an external battery, (2) a temperature sensor to detect a temperature of said internal lithium ion battery, and (3) a voltage sensor to detect a voltage of said internal lithium ion battery or said external battery; a display device operatively coupled to the at least one processor, the display device to display a state of charge of said internal lithium ion battery; a universal serial bus (USB) port to supply a first current; direct current (DC) output terminals to supply the starting current, wherein the DC output terminals are configured to electrically couple with the engine or the external battery; a single-ended primary-inductor converter to receive a variable input voltage between 5 volts DC and 20 volts DC and to output a predetermined charge voltage to said internal lithium ion battery; and a power management circuit operatively coupled to the at least one processor and the internal lithium ion battery, wherein the power management circuit is configured to selectively provide the starting current to said engine or said external battery via the DC output terminals, wherein the power management circuit is configured to supply the starting current to the engine or the external battery via the DC output terminals if the at least one processor determines that (1) the polarity of the external battery is not reversed, (2) the temperature of said internal lithium ion battery is within a predetermined temperature range, and (3) the voltage of said internal lithium ion battery or said external battery is within a predetermined voltage range. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. A compact battery booster comprising:
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at least one processor; an internal lithium ion battery to supply a starting current to jump start an engine that is operably coupled with an external battery, wherein the internal lithium ion battery is rated at least 3,000 mAh and the starting current is at least 200 cranking amperes; direct current (DC) output terminals to supply the starting current from the internal lithium ion battery to the engine or the external battery; a reverse polarity sensor operatively coupled with the at least one processor and configured to detect a polarity of the external battery across the DC output terminals; a temperature sensor to detect a temperature of the internal lithium ion battery; a voltage sensor to detect a voltage of the internal lithium ion battery or the external battery; a display device operatively coupled to the at least one processor and configured to display a state of charge of the internal lithium ion battery; and a power management circuit operatively coupled to the at least one processor and the internal lithium ion battery, wherein the power management circuit is configured to selectively provide the starting current to the engine or the external battery via the DC output terminals as function of (i) the polarity of the external battery, (ii) the temperature of the internal lithium ion battery, or (iii) the voltage of the internal lithium ion battery or the external battery. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification